# Relationship history for MSHA mine 5100316

Current hierarchy: **Charles  Cabral; Henry  Ralar → Superior Topsoil LLC → Extec S3**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** Superior Topsoil LLC → Extec S3; 2018-07-19 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Henry  Ralar et al → Extec S3; 2018-07-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Henry  Ralar et al → Superior Topsoil LLC; 2018-07-19 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Charles  Cabral et al → Superior Topsoil LLC; 2018-07-19 to current/open; source msha-controller-operator-history
